CN109218470B - Mobile terminal and control method thereof - Google Patents

Mobile terminal and control method thereof Download PDF

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Publication number
CN109218470B
CN109218470B CN201710543642.XA CN201710543642A CN109218470B CN 109218470 B CN109218470 B CN 109218470B CN 201710543642 A CN201710543642 A CN 201710543642A CN 109218470 B CN109218470 B CN 109218470B
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China
Prior art keywords
screen
mobile terminal
connecting mechanism
detection
reed
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CN201710543642.XA
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Chinese (zh)
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CN109218470A (en
Inventor
曹丽
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ZTE Corp
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ZTE Corp
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Priority to CN201710543642.XA priority Critical patent/CN109218470B/en
Priority to US16/627,959 priority patent/US11303739B2/en
Priority to PCT/CN2018/075080 priority patent/WO2019007053A1/en
Publication of CN109218470A publication Critical patent/CN109218470A/en
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Publication of CN109218470B publication Critical patent/CN109218470B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H04M1/0218—The hinge comprising input and/or output user interface means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0225—Rotatable telephones, i.e. the body parts pivoting to an open position around an axis perpendicular to the plane they define in closed position
    • H04M1/0233—Including a rotatable display body part
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235—Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Telephone Set Structure (AREA)

Abstract

A mobile terminal and a control method thereof are provided. The mobile terminal comprises a main body with a first display screen and at least one auxiliary body with a second display screen, wherein at least one side of the main body is provided with an accommodating mechanism and a first connecting mechanism, and the first connecting mechanism is provided with a withdrawing shape accommodated in the accommodating mechanism and an extending shape popped out of the accommodating mechanism; at least one side of the auxiliary machine body is provided with a second connecting mechanism; the first connecting mechanism in the extending shape is used for being connected with the second connecting mechanism, so that the main machine body and the auxiliary machine body are combined into a multi-screen terminal. According to the invention, the connecting structure between the two display screens is designed into the detachable mechanism, so that the mobile terminal can be freely switched between the turnover double-screen machine and the ultrathin panel straightening machine, the problem of large overall thickness of the existing turnover double-screen machine is effectively solved, and the detachable mechanism integrating mechanical connection and electric connection has the characteristics of simple structure, reliable connection, convenience in disassembly and assembly and the like.

Description

Mobile terminal and control method thereof
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a mobile terminal and a control method of the mobile terminal.
Background
With the development of electronic technology, in order to enhance user experience and added value of portable electronic devices, the implementation modes of portable electronic devices are more and more abundant. For example, for mobile phones, the prior art proposes the concept of flipping a dual screen machine. The turnover double-screen machine utilizes two display screens which are connected with each other, and meets the requirements of users in various aspects by folding and unfolding the two display screens. When better video and audio enjoyment needs to be obtained, the two display screens are unfolded to form a large screen; when the mobile phone is used for calling or carrying, the two display screens are folded.
However, the conventional turnover double-screen machine has a problem of large thickness of the whole machine because the conventional turnover double-screen machine is of an integral structure and the folding and unfolding of two display screens require necessary structural support and protection. At present, the thickness that current upset double screen machine was folded is usually about 10mm, and this is for the user who pursues better ultra-thin machine of straight board of feeling, and current upset double screen machine is like a thick and heavy "brick machine", has seriously influenced user experience.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a mobile terminal and a control method thereof, and solve the problem that the existing turnover double-screen machine is large in whole thickness.
In order to solve the above technical problem, an embodiment of the present invention provides a mobile terminal, including a main body having a first display screen and at least one auxiliary body having a second display screen, wherein at least one side of the main body is provided with an accommodating mechanism and a first connecting mechanism, and the first connecting mechanism has a retracted state accommodated in the accommodating mechanism and an extended state popped out from the accommodating mechanism; at least one side of the auxiliary machine body is provided with a second connecting mechanism; the extended first connecting mechanism is used for being connected with the second connecting mechanism, so that the main machine body and the auxiliary machine body are combined into a multi-screen terminal.
Optionally, the accommodating mechanism includes an accommodating cavity and an ejecting mechanism, the accommodating cavity is used for accommodating the first connecting mechanism, and the ejecting mechanism is used for ejecting the first connecting mechanism from the accommodating cavity.
Optionally, the ejection mechanism comprises a push frame, a groove, a connecting rod and an ejection spring; the pushing frame is arranged in the accommodating cavity, one end of the pushing frame is propped against the first connecting mechanism, the other end of the pushing frame is connected with the movable end of the pop-up spring, and the fixed end of the pop-up spring is fixedly connected with the main machine body; the groove is arranged in the pushing frame, the top of the groove is of a symmetrical sliding lock structure, and the bottom of the groove is provided with a through hole; the fixed end of the connecting rod is fixedly connected with the main machine body, and the movable end of the connecting rod is inserted into the through hole of the groove.
Optionally, the ejection mechanism is disposed in the middle of the accommodating cavity, or disposed at two ends of the accommodating cavity respectively.
Optionally, the first connecting mechanism includes a main housing, and a connecting shaft and a connecting wire disposed in an inner cavity of the main housing, and the connecting shaft and the connecting wire are used for electrically connecting the sub-housing.
Optionally, the surface of the main housing is provided with a strip-shaped limiting groove extending along the axial direction, the connecting shaft is provided with a raised operating rod, the raised operating rod is slidably arranged in the limiting groove, and the operating rod is used for controlling the connecting shaft to retract or extend out of the main housing.
Optionally, a reed is arranged on the inner surface of the connecting shaft, one end of the connecting wire is connected and conducted with the main body, and the other end of the connecting wire extends into the inner cavity of the connecting shaft and is connected and conducted with the reed on the inner surface of the connecting shaft.
Optionally, a spring or a gold finger for electrically connecting with the second connecting mechanism is arranged on the outer surface of the connecting shaft.
Optionally, the connecting wire is a spring cable, the spring cable includes a rod-shaped cable and a spring, and the spring is sleeved on the rod-shaped cable.
Optionally, the first connecting mechanism further includes a detecting component, and the detecting component is configured to detect a conduction state of the first connecting mechanism and the second connecting mechanism, and provide a control signal for controlling a working mode of the mobile terminal.
Optionally, the detection assembly comprises a detection reed, a single-screen detection contact and a multi-screen detection contact, the detection reed is arranged on the connecting shaft, and the single-screen detection contact and the multi-screen detection contact are respectively arranged on the inner wall of the limit groove; when the detection reed is in contact conduction with the single-screen detection contact, providing a control signal of the mobile terminal in a single-screen working mode; and when the detection reed is in contact conduction with the multi-screen detection contact, providing a control signal for the mobile terminal to be in a multi-screen working mode.
Optionally, the second connecting mechanism includes an auxiliary housing, and a tightening cylinder and a tightening spring disposed in the auxiliary housing, and a connecting shaft for contacting and conducting a gold finger or a reed is disposed on an inner surface of the auxiliary housing; one end of the jacking spring is connected with the auxiliary machine body, the other end of the jacking spring is connected with the jacking cylinder, and the jacking spring is used for enabling the jacking cylinder to be jacked with the connecting shaft of the first connecting mechanism.
Optionally, the connecting shaft is a conical rod body, and the diameter of the end part, adjacent to the second connecting mechanism, of the conical rod body is smaller than that of the end part, far away from the second connecting mechanism, of the conical rod body; the auxiliary shell is provided with a conical hollow cavity, and the diameter of the end, close to the first connecting mechanism, of the conical hollow cavity is larger than that of the end far away from the first connecting mechanism.
Optionally, the gold finger or the reed on the inner surface of the sub-housing is disposed at the end far away from the first connecting mechanism, and the reed or the gold finger on the outer surface of the connecting shaft is disposed at the end near the second connecting mechanism, so that when the connecting shaft is partially inserted into the hollow cavity of the sub-housing, the reed or the gold finger on the outer surface of the connecting shaft is not in contact with the gold finger or the reed on the inner surface of the sub-housing, and only when the connecting shaft is completely inserted into the hollow cavity of the sub-housing, the reed or the gold finger on the outer surface of the connecting shaft is in complete contact with the gold finger or the reed on the inner surface of the sub-housing.
In order to solve the above technical problem, an embodiment of the present invention further provides a mobile terminal, including a main body having a first display screen, where at least one side of the main body is provided with an accommodating mechanism and a first connecting mechanism for combining a multi-screen terminal, and the first connecting mechanism has a retracted shape accommodated in the accommodating mechanism and an extended shape popped out of the accommodating mechanism.
Optionally, the accommodating mechanism includes an accommodating cavity and an ejecting mechanism, the accommodating cavity is used for accommodating the first connecting mechanism, and the ejecting mechanism is used for ejecting the first connecting mechanism from the accommodating cavity.
Optionally, the ejection mechanism is arranged in the middle of the accommodating cavity, or arranged at two ends of the accommodating cavity respectively; the first connecting mechanism comprises a main shell, and a connecting shaft and a connecting wire which are arranged in an inner cavity of the main shell.
Optionally, the first connecting mechanism further comprises a detection assembly, the detection assembly comprises a detection reed, a single-screen detection contact and a multi-screen detection contact, the detection reed is arranged on the connecting shaft, and the single-screen detection contact and the multi-screen detection contact are respectively arranged on the inner wall of the end point of the limit groove; when the detection reed is in contact conduction with the single-screen detection contact, providing a control signal of the mobile terminal in a single-screen working mode; and when the detection reed is in contact conduction with the multi-screen detection contact, providing a control signal for the mobile terminal to be in a multi-screen working mode.
The embodiment of the invention also provides a control method of the mobile terminal, the mobile terminal comprises a detection assembly, the detection assembly comprises a detection reed, a single-screen detection contact and a multi-screen detection contact; the control method comprises the following steps:
when the single-screen detection contact is judged to be conducted with the detection reed, a control signal of the mobile terminal in a single-screen working mode is provided;
and when the multi-screen detection contact is judged to be conducted with the detection reed, providing a control signal for the mobile terminal to be in a multi-screen working mode.
Optionally, when it is determined that the multi-screen detection contact is conducted with the detection reed, a control signal that the mobile terminal is in a multi-screen working mode is provided, including:
and when the multi-screen detection contact is judged to be conducted with the detection reed, whether the connecting shaft of the main machine body is conducted with the golden finger of the auxiliary machine body is further judged, if yes, a control signal of the mobile terminal in a multi-screen working mode is provided, and otherwise, a control signal of the mobile terminal in a single-screen working mode is provided.
The embodiment of the invention provides a mobile terminal and a control method thereof, wherein a connecting structure between two display screens is designed into a detachable mechanism, so that the mobile terminal can be freely switched between a turnover double-screen machine and an ultrathin plate straightening machine, the two display screens are connected and conducted through the detachable connecting mechanism and can be used as a double-screen mobile phone, the two display screens are detached and separated, and a main machine body can be independently used as a plate straightening ultrathin machine with the thickness of only about 6 mm. The embodiment of the invention not only effectively solves the problem of large overall thickness of the existing turnover double-screen machine, but also ensures the accuracy of signal connection by adopting the elastic sheets and the golden fingers to perform reliable signal transmission and adopting the limiting and clamping groove structures, so that the mechanical connection and electric connection integrated detachable mechanism has the characteristics of simple structure, reliable connection, convenient assembly and disassembly and the like. The embodiment of the invention has novel and unique design and good application prospect.
Furthermore, the embodiment of the invention also provides the mobile terminal and the control method thereof, which ensure that the conversion between the single-screen working mode and the multi-screen working mode is started only when the connection between the main body and the auxiliary body is finished through multi-level detection, avoid the disordered screen display caused by man-made or software and hardware faults of the mobile phone, and have higher working reliability.
The mobile terminal provided by the embodiment of the invention can realize free conversion between the double-screen mobile phone and the ultrathin board straightening machine and can also realize modular upgrading of the mobile phone. For example, the number of rear camera elements of an original double-screen mobile phone is 500 ten thousand, and the rear camera elements can be upgraded to 1300 ten thousand by replacing the auxiliary body. For another example, the resolution of the display screen of the original auxiliary body is low, and the display screen of the auxiliary body can be upgraded to a high-definition screen by replacing the display screen of the auxiliary body. For another example, the auxiliary body may also have a memory therein, and the effect of upgrading the memory of the entire machine is achieved by replacing the auxiliary body.
Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention. The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to illustrate the invention.
Fig. 1 is a schematic diagram of a mobile terminal according to an embodiment of the present invention, where a first connection mechanism is retracted;
fig. 2 is a schematic diagram of a first connection mechanism of a mobile terminal according to an embodiment of the invention in an extended state;
FIG. 3 is a schematic front view of the main body and the sub-body in an unfolded state after they are coupled according to the embodiment of the present invention;
FIG. 4 is a schematic rear view of the main body and the sub body in an unfolded state after they are coupled according to the embodiment of the present invention;
FIG. 5 is a front view of the main body and the sub-body in a folded state after they are coupled according to the embodiment of the present invention;
FIG. 6 is a rear view of the main body and the sub-body in a folded state after they are coupled according to the embodiment of the present invention;
FIG. 7 is a schematic drawing showing a retracted configuration of the first linkage according to the embodiment of the present invention;
FIG. 8 is a pop-up configuration of a first linkage according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of the retraction and ejection of the first linkage according to the embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a first coupling mechanism according to an embodiment of the present invention;
FIG. 11 is a schematic view of the construction of a connection shaft and spring cable according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a second coupling mechanism according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of a tightening cylinder and a tightening spring according to an embodiment of the present invention;
FIGS. 14-20 are schematic diagrams of dual-screen connections according to embodiments of the invention.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
First embodiment
The embodiment of the invention provides a mobile terminal, aiming at the problem that the thickness of the whole turnover double-screen machine is large. Fig. 1 is a schematic diagram of a retracted state of a first connection mechanism of a mobile terminal according to an embodiment of the present invention, and fig. 2 is a schematic diagram of an extended state of the first connection mechanism of the mobile terminal according to the embodiment of the present invention. The main structure of the mobile terminal of this embodiment includes a main body 1 and a first connecting mechanism 10, where the main body 1 includes a first display screen and a receiving mechanism, the first display screen is disposed on the front of the main body 1, the receiving mechanism is disposed on the side of the main body 1, and the first connecting mechanism 10 has two states of retracting and extending. In the retracted state, the first linkage 10 is disposed within the housing mechanism, as shown in fig. 1. At this time, the main body 1 operates alone as an ultra-thin board straightening machine. In the extended configuration, the first attachment mechanism 10 is ejected from the receiving mechanism, as shown in FIG. 2. At this time, the main body 1 is connected to the sub-body through the first connecting mechanism 10 as a main body of the dual-screen mobile phone, so as to form an unfolded or folded dual-screen or multi-screen mobile phone.
The main structure of the mobile terminal of the embodiment of the present invention further includes an auxiliary body 2 and a second connection mechanism 20, the auxiliary body 2 at least includes a second display screen, and the auxiliary body 2 is used for being connected with the main body 1 through the second connection mechanism 20 to form an unfolded or folded dual-screen or multi-screen mobile phone. Fig. 3 is a front view illustrating an unfolded state of the main body and the sub body according to the embodiment of the present invention, fig. 4 is a rear view illustrating an unfolded state of the main body and the sub body according to the embodiment of the present invention, fig. 5 is a front view illustrating a folded state of the main body and the sub body according to the embodiment of the present invention, and fig. 6 is a rear view illustrating a folded state of the main body and the sub body according to the embodiment of the present invention. When the first connecting mechanism 10 is extended, the main body 1 and the auxiliary body 2 can be combined into a dual-screen mobile phone by the connection of the first connecting mechanism 10 and the second connecting mechanism 20. The dual-screen mobile phone has at least two states: an unfolded state and a folded state. When the dual-screen mobile phone is in an unfolded state, the first display screen of the main body 1 and the second display screen of the auxiliary body 2 are arranged in parallel to form a large display screen with a double-enlarged screen, as shown in fig. 3 and 4. When the dual-screen mobile phone is in a folded state, the first display screen of the main body 1 and the second display screen of the auxiliary body 2 are overlapped together to form two display screens on the front and back sides, as shown in fig. 5 and 6.
The first connecting mechanism of the embodiment of the invention is a movable structure, and can realize the conversion between the retracting state and the extending state in a pressing mode. Specifically, when in a retracting state, two ends or the middle part of the first connecting mechanism is pressed, so that the first connecting mechanism can be popped out from the accommodating mechanism; when the first connecting mechanism is in the extending state, the two ends or the middle part of the first connecting mechanism are pressed, so that the first connecting mechanism can be retracted into the accommodating mechanism. When the first connecting mechanism is retracted into the accommodating mechanism, the main machine body can be independently operated as an ultrathin straight plate machine, and is thin in thickness, convenient to carry and use.
Fig. 7 is a schematic structural diagram of a first connecting mechanism in a retracted state according to an embodiment of the present invention, fig. 8 is a schematic structural diagram of a first connecting mechanism in an ejected state according to an embodiment of the present invention, and fig. 9 is a schematic operational diagram of the first connecting mechanism in the retracted and ejected states according to an embodiment of the present invention. As shown in fig. 7, 8 and 9, the accommodating mechanism of the embodiment of the present invention includes an accommodating chamber 21 and an ejecting mechanism 22, the accommodating chamber 21 is used for accommodating the first connecting mechanism 10, and the ejecting mechanism 22 is used for ejecting the first connecting mechanism 10 from the accommodating chamber 21. In practical implementation, an ejection mechanism 22 may be disposed in the middle of the accommodating cavity 21, and at this time, two states of retraction and extension may be realized by pressing the middle of the first connecting mechanism, or two states of retraction and extension may be realized by respectively disposing an ejection mechanism 22 at two ends of the accommodating cavity 21, and at this time, two states of retraction and extension may be realized by simultaneously pressing two ends of the first connecting mechanism. Specifically, the eject mechanism 22 includes a push frame 221, a groove 222, a link 223, and an eject spring 224. The pushing frame 221 is disposed in the accommodating cavity 21, the upper end of the pushing frame is disposed below the first connecting mechanism, and the lower end of the pushing frame is connected to the movable end of the pop-up spring 224. The groove 222 is disposed in the pushing frame 221, the top portion is a symmetrical sliding lock structure, and the bottom portion is disposed with a through hole for receiving the connecting rod 223. The connecting rod 223 is a rod body, the lower end of the connecting rod 223 is a fixed end and is fixedly connected with the main body 1, and the upper end of the connecting rod 223 is a movable end and is inserted into the through hole at the lower end of the groove 222 and moves in the groove 222. The upper end of the pop-up spring 224 is a movable end connected to the push frame 221, and the lower end is a fixed end fixedly connected to the main body 1. In practice, the grooves may be heart-shaped grooves.
When the first connecting mechanism 10 is in the extended state (the pop-up state), the movable end (upper end) of the link 223 is at the bottom of the groove 222. When the first connecting mechanism 10 needs to be retracted, the middle of the first connecting mechanism 10 is pressed or both ends of the first connecting mechanism 10 are pressed simultaneously, the pop-up spring 224 is compressed downwards, the movable end of the link 223 moves to the upper left of the groove 222 (as shown in the direction a in fig. 9) along the groove 222 until reaching the top left of the groove 222, at this time, the first connecting mechanism 10 is released, under the action of the repulsive force of the pop-up spring 224, the first connecting mechanism 10 tends to move upwards, and at the same time, the movable end of the link 223 falls back to the middle point of the top of the groove 222 along the direction B, at this time, the first connecting mechanism 10 is retracted, as shown in fig. 7.
When the first connecting mechanism 10 is in the retracted state, the movable end (upper end) of the link 223 is at the top of the groove 222. When the first connecting mechanism 10 needs to be ejected, the middle of the first connecting mechanism 10 is pressed again or both ends of the first connecting mechanism 10 are pressed simultaneously, the movable end of the link 223 moves to the upper right of the groove 222 (as shown in the direction C in fig. 9) along the groove 222 until the top right of the groove 222, at this time, the first connecting mechanism 10 is released, under the action of the repulsive force of the ejecting spring 224, the first connecting mechanism 10 moves upward, and at the same time, the movable end of the link 223 falls back to the bottom of the groove 222 along the direction D, at this time, the first connecting mechanism 10 is ejected to be extended, as shown in fig. 8.
Fig. 10 is a schematic structural diagram of a first connection mechanism according to an embodiment of the present invention, and fig. 11 is a schematic structural diagram of a connection shaft and a spring cable according to an embodiment of the present invention. As shown in fig. 10 and 11, the main structure of the first connection mechanism 10 includes a main housing 101, a connection shaft 102, and a spring cable 103 serving as a connection line or a signal line, wherein the connection shaft 102 and the spring cable 103 are both disposed in a hollow cavity of the main housing 101, a limiting groove 104 for accommodating an operation rod 105 is formed on the surface of the main housing 101, and the limiting groove 104 is a strip-shaped groove and extends along the axial direction of the main housing 101. The connecting shaft 102 is a hollow rod body, a series of reeds 106 are arranged on the outer surface and the inner surface of the rod body, a protruding operating rod 105 is arranged on the surface of one end (or one end close to the spring cable 103) of the connecting shaft 102, which is far away from the second connecting mechanism, when the connecting shaft 102 is inserted into the hollow cavity of the main shell 101, the protruding operating rod 105 is slidably arranged in the limiting groove 104 of the main shell 101 and is exposed from the limiting groove 104, the exposed operating rod 105 is higher than the surface of the main shell 101, so that a user can drive the connecting shaft 102 to move along the limiting groove 104 by pulling the operating rod 105, and further the connecting shaft 102 is controlled to axially extend out of or retract into the main shell 101 from the main shell 101. The spring cable 103 is a complex of a spring and a cable, and can adopt a structural form that a rod-shaped cable is taken as a center and the spring is sleeved outside the rod-shaped cable, and the diameter of the spring cable 103 is less than 0.5 mm. One end of the spring cable 103 is connected and conducted with the main body, and the other end thereof can be inserted into the inner cavity of the connecting shaft 102 and connected and conducted with a series of reeds 106 on the surface of the inner cavity of the connecting shaft 102, thereby enabling the connecting shaft 102 and the spring cable 103 to be electrically connected with the main body 1 and the sub-body 2 together. The structural design of the embodiment of the invention not only can ensure that the spring cable 103 keeps signal transmission in the extending and retracting processes of the connecting shaft 102, but also can provide necessary elastic force for the connecting shaft 102.
In addition, in order to realize the on-off control of the signal between the main body 1 and the auxiliary body 2, the embodiment further provides a detection component, and the detection component is used for detecting the conduction state of the first connection mechanism and the second connection mechanism and providing a control signal for controlling the working mode of the mobile terminal. The detection assembly comprises a detection reed 107, a single-screen detection contact 108 and a multi-screen detection contact 109, wherein the detection reed 107 is arranged on the connecting shaft 102, the single-screen detection contact 108 and the multi-screen detection contact 109 are respectively arranged on the inner wall of the limiting groove 104, and a control signal is provided through the relative position between the connecting shaft 102 and the limiting groove 104. Specifically, a detection reed 107 is provided at an end of the connection shaft 102 remote from the second connection mechanism (or an end adjacent to the spring cable 103) near the position of the operation lever 105, a single-screen detection contact 108 is provided on an inner wall of a start point of the limit groove 104, and a multi-screen detection contact 109 is provided on an inner wall of an end point of the limit groove 104. Thus, when the operating rod 105 is located at the starting position of the limiting groove 104 (the connection shaft 102 is in a retracted state), the single-screen detection contact 108 is in contact conduction with the detection reed 107, the detection assembly provides a control signal for controlling the mobile terminal to be in the single-screen working mode, and the connection shaft 102 has no power signal and no data signal. When the operating rod 105 is located at the end position of the limiting groove 104 (the connecting shaft 102 is in an extended state), the multi-screen detecting contact 109 is in contact with the detecting reed 107, and the detecting component provides a control signal for controlling the mobile terminal to be in the multi-screen operating mode.
Fig. 12 is a schematic structural view of a second connecting mechanism according to an embodiment of the present invention, and fig. 13 is a schematic structural view of a tightening cylinder and a tightening spring according to an embodiment of the present invention. As shown in fig. 12 and 13, the second connecting mechanism 20 is provided on the side of the sub-body 2, and the main body structure includes a sub-housing 201, a knock cylinder 202, and a knock spring 203. The sub-housing 201 is a hollow structure, and an annular gold finger is disposed on an inner surface of the sub-housing, and the gold finger is used for contacting and conducting with the connecting shaft 102 of the first connecting mechanism 10. The jacking cylinder 202 and the jacking spring 203 are arranged in the hollow cavity of the sub-shell 201, one end of the jacking spring 203 is connected with the sub-shell 2, the other end of the jacking spring is connected with the jacking cylinder 202, the jacking force of the jacking cylinder 202 is provided by the aid of the reactive force extruded by the jacking spring 203, the jacking cylinder 202 is tightly jacked with the end part of the connecting shaft 102 of the first connecting mechanism 10, and required torque is generated during double-screen turnover.
In this embodiment, the outer shape of the connecting shaft 102 and the hollow cavity of the sub-housing 201 are both designed to be conical structures. Specifically, the connecting shaft 102 is a conical rod body, and the diameter of the end of the conical rod body adjacent to the second connecting mechanism is smaller than that of the end far away from the second connecting mechanism; the sub-housing 201 has a conical hollow cavity, and the diameter of the conical hollow cavity is larger at the end adjacent to the first connection mechanism than at the end away from the first connection mechanism. The golden finger on the inner surface of the auxiliary shell is arranged at the end far away from the first connecting mechanism, the reed on the outer surface of the connecting shaft is arranged at the end close to the second connecting mechanism, so that when the connecting shaft 102 is partially inserted into the hollow cavity of the auxiliary shell 201, the reed 106 on the outer surface of the connecting shaft 102 has a certain distance with the golden finger on the inner surface of the auxiliary shell 201 and cannot be in contact conduction, and only when the connecting shaft 102 is completely inserted into the hollow cavity of the auxiliary shell 201, the reed 106 on the outer surface of the connecting shaft 102 is in contact conduction with the golden finger on the inner surface of the auxiliary shell 201. Therefore, the lateral abrasion of the reed 106 on the inner surface of the sub-shell 201 when the connecting shaft 102 is inserted can be reduced, the working reliability is increased, and the service life is prolonged.
In practical implementation, the electrical connection structure between the connecting shaft and the sub-housing may also be designed such that the outer surface of the connecting shaft is provided with a gold finger, and the inner surface of the sub-housing is provided with a spring plate, so as to achieve contact conduction between the outer surface of the connecting shaft and the inner surface of the sub-housing.
The technical scheme of the invention is further explained by the connection process of the main machine body and the auxiliary machine body.
When the double-screen connection is needed, the following operations are mainly carried out:
first, the first connection mechanism 10 of the main body 1 is pressed to eject, and at this time, the operating lever 105 is at the position E, the spring cable 103 is in an unstretched state, and the connection shaft 102 is still in the cavity of the main housing 101, as shown in fig. 14.
Subsequently, the second coupling mechanism 20 of the sub-body 2 is aligned with the first coupling mechanism 10 of the main body 1, and the operating lever 105 is pulled to move the operating lever 105 to the position F along the stopper groove 104. At this time, the connecting shaft 102 is inserted into the sub-housing 201 of the hollow structure of the second connecting mechanism 20, and the spring cable 103 is extended accordingly, as shown in fig. 15 and 16.
Thereafter, the pulling of the operating lever 105 is continued and the operating lever is moved to a position G (stopper groove end point) along the stopper groove 104 as shown in fig. 17. When the lever 105 is released, the lever 105 is retracted to the position H by the tension of the spring cable, as shown in fig. 18. At this time, the end of the connecting shaft 102 abuts against the abutting cylinder 202, and generates the torque required for the double screen rotation. Meanwhile, a series of reeds 106 on the outer surface of the connecting shaft 102 are in contact conduction with annular golden fingers arranged on the inner surface of the sub-shell 201, and a series of reeds 106 on the inner surface of the connecting shaft 102 are in contact conduction with the spring cable 103, so that signal transmission of the dual-screen mobile phone is finally achieved, as shown in fig. 19 and 20. After signal connection of the dual-screen mobile phone is achieved, the main body 1 and the auxiliary body 2 can be freely turned over, and can be unfolded or folded.
The mobile terminal that this embodiment provided, through with the connection structure design between the host computer body and the vice body for detachable mechanism, can make mobile terminal freely change between upset double screen machine and ultra-thin board straightener, with the host computer body and the vice body through dismantling coupling mechanism and connecting and switch on, can regard as double screen cell-phone to use, dismantle the separation with the host computer body and vice body, the host computer body can regard as a straight board ultra-thin quick-witted use alone. The problem that the whole thickness is big has not only effectively been solved to this embodiment in the current double screen machine that overturns, and mechanical connection and electric connection integration's detachable construction has characteristics such as the structure is succinct, connect reliably, dismouting is convenient moreover.
Second embodiment
Based on the technical concept of the mobile terminal in the embodiment of the invention, the embodiment of the invention also provides a control method of the mobile terminal, which controls the working mode of the mobile terminal through the on-off of the signal between the main body and the auxiliary body.
The control method of the mobile terminal of the embodiment of the invention comprises the following steps:
s10, judging whether the single-screen detection contact is conducted with the detection reed, if so, providing a control signal of the mobile terminal in a single-screen working mode, otherwise, executing the step S20;
s20, judging whether the multi-screen detection contact is conducted with the detection reed, if so, executing a step S30, and otherwise, providing a control signal for the mobile terminal to be in a single-screen working mode;
and S30, judging whether the reed of the connecting shaft is conducted with the golden finger on the inner surface of the auxiliary shell, if so, providing a control signal of the mobile terminal in a multi-screen working mode, and otherwise, providing a control signal of the mobile terminal in a single-screen working mode.
In this embodiment, the on-off control of signals between the main body and the auxiliary body is realized through the detection assembly, the detection assembly includes a detection reed, a single-screen detection contact and multiple-screen detection contacts, the detection reed is arranged on the connecting shaft, and the single-screen detection contact and the multiple-screen detection contacts are respectively arranged on the inner wall of the limit groove. Specifically, the detection assembly includes a detection reed disposed near the position of the operation lever, a single-screen detection contact disposed on an inner wall of a start point of the limit groove, and a multi-screen detection contact disposed on an inner wall of an end point of the limit groove. When the main body and the auxiliary body are not connected or are ready to be connected, the operating rod is located at the starting point of the limiting groove, the single-screen detection contact is in contact conduction with the detection reed at the moment, and when the conduction condition is detected, the fact that the main body and the auxiliary body are not connected is explained, and a control signal that the mobile terminal is in a single-screen working mode is provided. When the connection between the main body and the auxiliary body is completed, the operating rod is located at the end point of the limiting groove, the multi-screen detection contact is in contact conduction with the detection reed at the moment, and the conduction condition is detected, so that the main body and the auxiliary body are connected, and a control signal of the mobile terminal in a multi-screen working mode is provided. In the process of connecting the main body and the auxiliary body, namely in the process of extending the connecting shaft of the main body into the auxiliary shell of the auxiliary body, whether the reed on the connecting shaft is conducted with the golden finger or not needs to be further detected, if the reed and the golden finger are in a non-conduction state, the connection between the main body and the auxiliary body is not completed, a control signal that the mobile terminal is in a single-screen working mode is provided, and no electric signal or data signal exists in the connecting shaft. If the reed and the golden finger are in a conducting state, which indicates that the connection between the main body and the auxiliary body is completed, a control signal that the mobile terminal is in a multi-screen working mode is provided, and the main body transmits an electric signal and a data signal to the auxiliary body through the connecting shaft.
According to the control method of the embodiment, the multi-level detection is adopted to ensure that the conversion between the single-screen working mode and the multi-screen working mode is started only when the connection between the main body and the auxiliary body is completed, so that the disordered screen display caused by man-made or software and hardware faults of the mobile phone is avoided, and the working reliability is higher.
In actual implementation, the main body can be an electric signal and a data signal by connecting signals transmitted by the auxiliary body, and can also only transmit the electric signal, and the data signal is transmitted by wireless transmission modes such as bluetooth and WIFI. After the multi-screen working mode is started, the mobile terminal can call different display states through the difference of the rotation angles of the main body and the auxiliary body. Retraction and ejection of the first attachment mechanism may be manually or automatically, such as by electromagnetic and electric actuation of the retraction and ejection of the first attachment mechanism.
The above embodiment describes the technical solution of the present application by taking a dual-screen structure as an example, but in practical implementation, the mobile terminal of the embodiment of the present invention can implement not only a dual-screen structure but also a multi-screen structure. For example, a second connection structure is disposed on one side of the first sub-body, a first connection structure is disposed on the other side of the first sub-body, and a second connection structure is disposed on one side of the second sub-body, so that a three-screen structure of "main body + first sub-body + second sub-body" can be realized. For another example, the first connection structures are respectively disposed on two sides of the main body, and the second connection structures are disposed on one sides of the first sub body and the second sub body, so that a three-screen structure of "the first sub body + the main body + the second sub body" can be realized.
In summary, according to the mobile terminal provided in the embodiment of the present invention, the connection structure between the two display screens is designed as a detachable mechanism, so that the mobile terminal can be freely switched between the turnover dual-screen machine and the ultra-thin tablet computer, the two display screens are connected and conducted through the detachable connection mechanism, and can be used as a dual-screen mobile phone, the two display screens are detached and separated, and the main body can be used as a tablet ultra-thin machine alone. The mobile terminal provided by the embodiment of the invention can realize free conversion between the double-screen mobile phone and the ultrathin board straightening machine and can also realize modular upgrading of the mobile phone. For example, the number of rear camera elements of an original double-screen mobile phone is 500 ten thousand, and the rear camera elements can be upgraded to 1300 ten thousand by replacing the auxiliary body. For another example, the resolution of the display screen of the original auxiliary body is low, and the display screen of the auxiliary body can be upgraded to a high-definition screen by replacing the display screen of the auxiliary body. For another example, the auxiliary body may also have a memory therein, and the effect of upgrading the memory of the entire machine is achieved by replacing the auxiliary body.
In the description of the embodiments of the present invention, it should be understood that the terms "middle", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (17)

1. A mobile terminal comprises a main body with a first display screen and at least one auxiliary body with a second display screen, and is characterized in that at least one side of the main body is provided with an accommodating mechanism and a first connecting mechanism, and the first connecting mechanism is provided with a withdrawing shape accommodated in the accommodating mechanism and an extending shape popped out of the accommodating mechanism; at least one side of the auxiliary machine body is provided with a second connecting mechanism; the extended first connecting mechanism is used for being connected with the second connecting mechanism, so that the main machine body and the auxiliary machine body are combined into a multi-screen terminal;
the first connecting mechanism further comprises a detection assembly, the detection assembly comprises a detection reed, a single-screen detection contact and multiple-screen detection contacts, the detection reed is arranged on the end part, away from the second connecting mechanism, of the connecting shaft of the first connecting mechanism, the single-screen detection contact is arranged on the inner wall of the starting point of the limiting groove of the first connecting mechanism, and the multiple-screen detection contacts are respectively arranged on the inner wall of the ending point of the limiting groove of the first connecting mechanism; when the connecting shaft is in a retracting state, the detection reed is in contact conduction with the single-screen detection contact to provide a control signal for the mobile terminal to be in a single-screen working mode; when the connecting shaft is in an extending state, the detection reed is in contact conduction with the multi-screen detection contact, and a control signal of the mobile terminal in a multi-screen working mode is provided.
2. The mobile terminal of claim 1, wherein the receiving mechanism comprises a receiving cavity for receiving the first connecting mechanism and an ejecting mechanism for ejecting the first connecting mechanism from the receiving cavity.
3. The mobile terminal of claim 2, wherein the eject mechanism comprises a push frame, a groove, a link, and an eject spring; the pushing frame is arranged in the accommodating cavity, one end of the pushing frame is propped against the first connecting mechanism, the other end of the pushing frame is connected with the movable end of the pop-up spring, and the fixed end of the pop-up spring is fixedly connected with the main machine body; the groove is arranged in the pushing frame, the top of the groove is of a symmetrical sliding lock structure, and the bottom of the groove is provided with a through hole; the fixed end of the connecting rod is fixedly connected with the main machine body, and the movable end of the connecting rod is inserted into the through hole of the groove.
4. The mobile terminal according to claim 2, wherein the ejection mechanism is disposed in a middle portion of the accommodating cavity or disposed at two ends of the accommodating cavity respectively.
5. The mobile terminal of claim 1, wherein the first connecting mechanism comprises a main housing and a connecting wire disposed in the inner cavity of the main housing, the connecting shaft is disposed in the inner cavity of the main housing, and the connecting shaft and the connecting wire are used for electrically connecting the sub-housing.
6. The mobile terminal according to claim 5, wherein the limiting groove is a strip-shaped limiting groove that is opened on the surface of the main housing and extends along an axial direction, a protruding operating rod is disposed on the connecting shaft, the protruding operating rod is slidably disposed in the limiting groove, and the operating rod is used for controlling the connecting shaft to retract or extend from the main housing.
7. The mobile terminal according to claim 5, wherein a spring is disposed on an inner surface of the connection shaft, one end of the connection wire is connected and conducted with the main body, and the other end of the connection wire extends into the inner cavity of the connection shaft and is connected and conducted with the spring on the inner surface of the connection shaft.
8. The mobile terminal according to claim 5, wherein an outer surface of the connection shaft is provided with a spring or a gold finger for electrically connecting with the second connection mechanism.
9. The mobile terminal of claim 5, wherein the connection wire is a spring cable, the spring cable comprising a rod cable and a spring, the spring being sleeved on the rod cable.
10. The mobile terminal according to any one of claims 1 to 9, wherein the second connecting mechanism comprises a sub-housing, and a tightening cylinder and a tightening spring arranged in the sub-housing, and a golden finger or a reed for contacting and conducting with the connecting shaft of the first connecting mechanism is arranged on the inner surface of the sub-housing; one end of the jacking spring is connected with the auxiliary machine body, the other end of the jacking spring is connected with the jacking cylinder, and the jacking spring is used for enabling the jacking cylinder to be jacked with the connecting shaft of the first connecting mechanism.
11. The mobile terminal according to claim 10, wherein the connecting shaft is a conical rod body, and a diameter of an end of the conical rod body adjacent to the second connecting mechanism is smaller than a diameter of an end far away from the second connecting mechanism; the auxiliary shell is provided with a conical hollow cavity, and the diameter of the end, close to the first connecting mechanism, of the conical hollow cavity is larger than that of the end far away from the first connecting mechanism.
12. The mobile terminal according to claim 10, wherein the gold finger or the reed on the inner surface of the sub-housing is disposed at an end portion far from the first connecting mechanism, and the reed or the gold finger on the outer surface of the connecting shaft is disposed at an end portion near the second connecting mechanism, so that when the connecting shaft is partially inserted into the hollow cavity of the sub-housing, the reed or the gold finger on the outer surface of the connecting shaft does not contact the gold finger or the reed on the inner surface of the sub-housing, and only when the connecting shaft is fully inserted into the hollow cavity of the sub-housing, the reed or the gold finger on the outer surface of the connecting shaft completely contacts the gold finger or the reed on the inner surface of the sub-housing.
13. A mobile terminal comprises a main machine body with a first display screen, and is characterized in that at least one side of the main machine body is provided with an accommodating mechanism and a first connecting mechanism used for combining a multi-screen terminal, and the first connecting mechanism is provided with a withdrawing shape accommodated in the accommodating mechanism and an extending shape popped out from the accommodating mechanism;
the first connecting mechanism further comprises a detection assembly, the detection assembly comprises a detection reed, a single-screen detection contact and multiple-screen detection contacts, the detection reed is arranged on the end part, away from the second connecting mechanism, of the connecting shaft of the first connecting mechanism, the single-screen detection contact is arranged on the inner wall of the starting point of the limiting groove of the first connecting mechanism, and the multiple-screen detection contacts are respectively arranged on the inner wall of the ending point of the limiting groove of the first connecting mechanism; when the connecting shaft is in a retracting state, the detection reed is in contact conduction with the single-screen detection contact to provide a control signal for the mobile terminal to be in a single-screen working mode; when the connecting shaft is in an extending state, the detection reed is in contact conduction with the multi-screen detection contact, and a control signal of the mobile terminal in a multi-screen working mode is provided.
14. The mobile terminal of claim 13, wherein the receiving mechanism comprises a receiving cavity for receiving the first connecting mechanism and an ejecting mechanism for ejecting the first connecting mechanism from the receiving cavity.
15. The mobile terminal according to claim 14, wherein the ejection mechanism is disposed in a middle portion of the accommodating cavity or disposed at two ends of the accommodating cavity respectively; the first connecting mechanism comprises a main shell, and a connecting shaft and a connecting wire which are arranged in an inner cavity of the main shell.
16. A control method of a mobile terminal, characterized in that the control method is applied to the mobile terminal of any one of claims 1 to 12, the control method comprising:
when the single-screen detection contact is judged to be conducted with the detection reed, a control signal of the mobile terminal in a single-screen working mode is provided;
and when the multi-screen detection contact is judged to be conducted with the detection reed, providing a control signal for the mobile terminal to be in a multi-screen working mode.
17. The method according to claim 16, wherein the providing a control signal for the mobile terminal to be in the multi-screen operating mode when it is determined that the multi-screen detection contact is conducted with the detection reed comprises:
and when the multi-screen detection contact is judged to be conducted with the detection reed, whether the connecting shaft of the main machine body is conducted with the golden finger of the auxiliary machine body is further judged, if yes, a control signal of the mobile terminal in a multi-screen working mode is provided, and otherwise, a control signal of the mobile terminal in a single-screen working mode is provided.
CN201710543642.XA 2017-07-05 2017-07-05 Mobile terminal and control method thereof Active CN109218470B (en)

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